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# Copyright (c) ETSI 2017.
# https://forge.etsi.org/etsi-forge-copyright-notice.txt

definitions:
  VnfInstance:
    description: >
      This type represents a VNF instance.
    type: object
    required:
      - id
      - vnfdId
      - vnfProvider
      - vnfProductName
      - vnfSoftwareVersion
      - vnfdVersion
      - instantiationState
    properties:
      id:
        description: >
          Identifier of the VNF instance.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Identifier"
      vnfInstanceName:
        description: >
          Name of the VNF instance.
          This attribute can be modified with the PATCH method.
        type: string
      vnfInstanceDescription:
        description: >
          Human-readable description of the VNF instance.
          This attribute can be modified with the PATCH method.
        type: string
      vnfdId:
        description: >
          Identifier of the VNFD on which the VNF instance is based.
          This attribute can be modified with the PATCH method.
          Modifying the value of this attribute shall not be performed 
          when conflicts exist between the previous and the newly referred 
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          VNF package, i.e. when the new VNFD is changed with respect
          to the previous VNFD in other aspects than merely referencing to
          other VNF software images. In order to avoid misalignment of the
          VnfInstance with the current VNF's on-boarded VNF package, the values
          of attributes in the VnfInstance that have corresponding attributes in the VNFD
          shall be kept in sync with the values in the VNFD.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Identifier"
      vnfProvider:
        description: >
          Provider of the VNF and the VNFD. The value is copied from the VNFD.
        type: string
      vnfProductName:
        description: >
          Name to identify the VNF Product. The value is copied from the VNFD.
        type: string
      vnfSoftwareVersion:
        description: >
          Software version of the VNF. The value is copied from the VNFD.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Version"
      vnfdVersion:
        description: >
          Identifies the version of the VNFD. The value is copied from the VNFD.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Version"
      vnfConfigurableProperties:
        description: >
          Additional VNF-specific attributes that provide the current values 
          of the configurable properties of the VNF instance.
          These attributes represent values that are stored persistently in 
          the VnfInstance structure and that correspond to configuration 
          parameters of the VNF instance. 
          Modifying these attributes affects the configuration of the VNF 
          instance either directly (if the VNF instance is in INSTANTIATED 
          state at the time of the modification) or as part of the subsequent 
          VNF instantiation operation (if the VNF instance is in NOT_INSTANTIATED 
          state at the time of the modification).
          Configurable properties referred in these attributes shall be declared 
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          in the VNFD. The declaration of configurable properties in the VNFD can optionally
          contain the specification of initial values. See note 2, note 3 and note 4.
          ETSI GS NFV-SOL 001 specifies the structure and format of the VNFD based on TOSCA specifications.
          VNF configurable properties are sometimes also referred to as configuration parameters applicable to a VNF.
          Some of these are set prior to instantiation and cannot be modified if the VNF is instantiated, some are set
          prior to instantiation (are part of initial configuration) and can be modified later, and others can be set
          only after instantiation. The applicability of certain configuration may depend on the VNF and the required
          operation of the VNF at a certain point in time.
          These configurable properties include the following standard attributes, 
          which are declared in the VNFD if auto-scaling and/or auto-healing are 
          supported by the VNF: 
            -	isAutoscaleEnabled: If present, the VNF supports auto-scaling. If set 
            to true, auto-scaling is currently enabled. If set to false, auto-scaling 
            is currently disabled.
            -	isAutohealEnabled: If present, the VNF supports auto-healing. If set 
            to true, auto-healing is currently enabled. If set to false, auto-healing 
            is currently disabled.
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          These configurable properties can be initialized with default values from the VNFD (see note 4).
          Configurable properties can be modified with values passed in the request structures
          of certain LCM operations, such as the InstantiateVnfRequest structure.
          Further, these configurable properties can be created, modified or deleted with the PATCH method.

          note 4: Upon creation of the VnfInstance structure, the VNFM shall create and initialize all child attributes
          of "vnfConfigurableProperties", "metadata" and "extensions" that were declared in the VNFD with a defined
          initial value. The defined initial values can be declared in the VNFD, and/or, in case of "metadata",
          obtained from the "CreateVnfRequest" structure. Child attributes of "vnfConfigurableProperties", "metadata"
          and "extensions" that have no defined initial value shall not be created, in order to be consistent with the
          semantics of the JSON Merge Patch method (see IETF RFC 7396) that interprets null values as deletion request.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"
      instantiationState:
        description: >
          The instantiation state of the VNF.
        type: string
        enum:
          - NOT_INSTANTIATED
          - INSTANTIATED
      instantiatedVnfInfo:
        description: >
          Information specific to an instantiated VNF instance. This attribute
          shall be present if the instantiateState attribute value is
          INSTANTIATED.
        type: object
        required:
          - flavourId
          - vnfState
          - extCpInfo
        properties:
          flavourId:
            description: >
              Identifier of the VNF deployment flavour applied to this VNF instance.
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnfd"
          vnfState:
            description: >
              The state of the VNF instance.
            $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/VnfOperationalStateType"
          scaleStatus:
            description: >
              Scale status of the VNF, one entry per aspect. Represents for every
              scaling aspect how "big" the VNF has been scaled w.r.t. that aspect.
            type: array
            items:
              $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/ScaleInfo"
          maxScaleLevels:
            description: >
              Maximum allowed scale levels of the VNF, one entry per aspect.
              This attribute shall be present if the VNF supports scaling.
            type: array
            items:
              $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/ScaleInfo"
          extCpInfo:
            description: >
              Information about the external CPs exposed by the VNF instance.
            type: array
            minItems: 1
            items:
              $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/VnfExtCpInfo"
          extVirtualLinkInfo:
            description: >
              Information about the external VLs the VNF instance is connected to.
            type: array
            items:
              $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/ExtVirtualLinkInfo"
          extManagedVirtualLinkInfo:
            description: >
              External virtual links the VNF instance is connected to.
            type: array
            items:
              $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/ExtManagedVirtualLinkInfo"
          monitoringParameters:
            description: >
              Active monitoring parameters.
            type: array
            items:
              $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/MonitoringParameter"
          localizationLanguage:
            description: >
              Information about localization language of the VNF (includes e.g.
              strings in the VNFD). The localization languages supported by a VNF
              can be declared in the VNFD, and localization language selection can
              take place at instantiation time.
              The value shall comply with the format defined in IETF RFC 5646.
            type: string
          vnfcResourceInfo:
            description: >
              Information about the virtualised compute and storage resources used
              by the VNFCs of the VNF instance.
            type: array
            items:
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              $ref: "#/definitions/VnfcResourceInfo"
          virtualLinkResourceInfo:
            description: >
              Information about the virtualised network resources used by the VLs
              of the VNF instance.
            type: array
            items:
              $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/VnfVirtualLinkResourceInfo"
          virtualStorageResourceInfo:
            description: >
              Information on the virtualised storage resource(s) used as storage for the VNF instance.
            type: array
            items:
              $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/VirtualStorageResourceInfo"
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          vnfcInfo:
            description: >
              Information about the VNFC instances.
            type: array
            items:
              $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/VnfcInfo"
      metadata:
        description: >
          Additional VNF-specific attributes that provide metadata describing the VNF instance.
          These attributes represent values that are stored persistently in the VnfInstance 
          structure for consumption by functional blocks that invoke the VNF lifecycle management 
          interface. They are not consumed by the VNFM, or the lifecycle management scripts.

          Modifying the values of these attributes has no effect on the VNF instance, it only 
          affects the information represented in the VnfInstance structure.
          Metadata that VNF provider foresees shall be declared in the VNFD. The VNFM shall 
          accept requests to write metadata that are not  are declared in the VNFD.  

          These attributes can be initialized with default values from VNFD and/or with values 
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          passed in the CreateVnfRequest structure (see clause 5.4.2.3.1).
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          These attributes can be created, modified or removed with the PATCH method.
          ETSI GS NFV-SOL 001 specifies the structure and format of the VNFD based on TOSCA specifications.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"
      extensions:
        description: >
          Additional VNF specific attributes that affect the lifecycle management of this 
          VNF instance by the VNFM, or the lifecycle management scripts. 
          These attributes represent values that are stored persistently in the VnfInstance 
          structure for consumption by the VNFM, or by the lifecycle management scripts 
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          during the execution of VNF lifecycle management operations.
          All extensions that are allowed for the VNF are declared in the VNFD. The declaration of
          an extension in the VNFD contains information on whether its presence is optional or
          required, and optionally can specify an initial value. See note 2 and note 4.
          The VNFM shall reject requests to write extension attributes that are not declared in the VNFD
          with a "422 Unprocessable entity" error response as defined in clause 6.4 of ETSI GS NFV SOL 013.
        
          Modifying the values of these attributes has no direct effect on the VNF instance; 
          however, the modified attribute values can be considered during subsequent VNF 
          lifecycle management operations, which means that the modified values can indirectly 
          affect the configuration of the VNF instance.

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          These attributes can be initialized with default values from the VNFD.
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          These attributes can be modified with values passed in the request structures of certain LCM operations,
          such as the InstantiateVnfRequest structure
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          Further, these attributes can be created, modified or deleted with the PATCH method.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"
      _links:
        description: >
          Links to resources related to this resource.
        type: object
        required:
          - self
        properties:
          self:
            description: URI of this resource.
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          indicators:
            description: Indicators related to this VNF instance, if applicable.
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          instantiate:
            description: >
              Link to the "Instantiate VNF task" resource, if the related operation
              is possible based on the current status of this VNF instance
              resource (i.e. VNF instance in NOT_INSTANTIATED state).
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          terminate:
            description: >
              Link to the "Terminate VNF task" resource, if the related operation
              is possible based on the current status of this VNF instance
              resource (i.e. VNF instance is in INSTANTIATED state).
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          scale:
            description: >
              Link to the "Scale VNF task" resource, if the related operation is
              supported for this VNF instance, and is possible based on the
              current status of this VNF instance resource (i.e. VNF instance
              is in INSTANTIATED state).
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          scaleToLevel:
            description: >
              Link to the "Scale VNF to Level task" resource, if the related
              operation is supported for this VNF instance, and is possible
              based on the current status of this VNF instance resource
              (i.e. VNF instance is in INSTANTIATED state).
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          changeFlavour:
            description: >
              Link to the "Change VNF flavour task" resource, if the related
              operation is supported for this VNF instance, and is possible
              based on the current status of this VNF instance resource
              (i.e. VNF instance is in INSTANTIATED state).
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          heal:
            description: >
              Link to the "Heal VNF task" resource, if the related operation is
              supported for this VNF instance, and is possible based on the
              current status of this VNF instance resource
              (i.e. VNF instance is in INSTANTIATED state).
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          operate:
            description: >
              Link to the "Operate VNF task" resource, if the related operation is
              supported for this VNF instance, and is possible based on the
              current status of this VNF instance resource
              (i.e. VNF instance is in INSTANTIATED state).
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          changeExtConn:
            description: >
              Link to the "Change external VNF connectivity task" resource, if the related
              operation is possible based on the current status of this VNF
              instance resource (i.e. VNF instance is in INSTANTIATED state).
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"

      flavourId:
        description: >
          Identifier of the VNF deployment flavour to be instantiated.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnfd"
      instantiationLevelId:
        description: >
          Identifier of the instantiation level of the deployment flavour to be
          instantiated. If not present, the default instantiation level as
          declared in the VNFD is instantiated.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnfd"
      extVirtualLinks:
        description: >
          Information about external VLs to connect the VNF to.
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/ExtVirtualLinkData"
      extManagedVirtualLinks:
        description: >
          Information about external VLs to connect the VNF to.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/ExtManagedVirtualLinkData"
      localizationLanguage:
        description: >
          Localization language of the VNF to be instantiated. The value shall
          comply with the format defined in IETF RFC 5646.
        type: string
      additionalParams:
        description: >
          Additional input parameters for the instantiation process, specific
          to the VNF being instantiated, as declared in the VNFD as part of
          "InstantiateVnfOpConfig".
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"
      extensions:
        description: >
          If present, this attribute provides values for the "extensions" attribute in "VnfInstance",
          as defined in clause 5.5.2.2. If an entry with the same key exists in the VnfInstance data structure,
          the VNFM shall replace its value with the value passed in the InstantiateVnfRequest data structure.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"
      vnfConfigurableProperties:
        description: >
          This parameter provides values for the VNF configurable
          properties attribute in the "VnfInstance", as defined in
          clause 5.5.2.2. If an entry with the same key exists in the
          VnfInstance data structure, the VNFM shall replace its
          value with the value passed in the InstantiateVnfRequest
          data structure.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"

  ChangeVnfFlavourRequest:
    description: >
      This type represents request parameters for the "Change VNF flavour" operation.
    type: object
    required:
      - newFlavourId
    properties:
      newFlavourId:
        description: >
          Identifier of the VNF deployment flavour to be instantiated.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnfd"
      instantiationLevelId:
        description: >
          Identifier of the instantiation level of the deployment flavour to
          be instantiated. If not present, the default instantiation level as
          declared in the VNFD is instantiated.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnfd"
      extVirtualLinks:
        description: >
          Information about external VLs to connect the VNF to.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/ExtVirtualLinkData"
      extManagedVirtualLinks:
        description: >
          Information about external VLs to connect the VNF to.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/ExtManagedVirtualLinkData"
      additionalParams:
        description: >
          Additional input parameters for the instantiation process, specific
          to the VNF being instantiated, as declared in the VNFD as part of
          "InstantiateVnfOpConfig".
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"

  TerminateVnfRequest:
    type: object
    required:
      - terminationType
    properties:
      terminationType:
        description: >
          Indicates the type of termination is requested.
          Permitted values:
          * FORCEFUL: The VNFM will shut down the VNF and release the
            resources immediately after accepting the request.
        type: string
        enum:
          - FORCEFUL
      additionalParams:
        description: >
          Additional parameters passed by the NFVO as input to the termination
          process, specific to the VNF being terminated, as declared in the
          VNFD as part of "TerminateVnfOpConfig".
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"

  HealVnfRequest:
    type: object
    properties:
      vnfcInstanceId:
        description: >
          List of VNFC instances requiring a healing action.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Identifier"
      cause:
        description: >
          Indicates the reason why a healing procedure is required.
        type: string
      additionalParams:
        description: >
          Additional parameters passed by the NFVO as input to the healing
          process, specific to the VNF being healed, as declared in the VNFD
          as part of "HealVnfOpConfig".
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"
      healScript:
        description: >
          Provides link to a script that should be executed as part
          of the healing action or a set of rules for healing procedure.
        type: string

  OperateVnfRequest:
    description: >
      This type represents request parameters for the "Operate VNF" operation.
    type: object
    required:
      - changeStateTo
    properties:
      vnfcInstanceId:
        description: >
          Identifier of VNFC instances. Cardinality can be "0" to denote
          that the request applies to the whole VNF and not a specific VNFC instance.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Identifier"
      changeStateTo:
        description: >
          The desired operational state (i.e. started or stopped) to change
          the VNF to.
        $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/VnfOperationalStateType"
      stopType:
        description: >
          It signals whether forceful or graceful stop is requested.
          Ignored if changeStateTo=STARTED.
          Permitted values:
          FORCEFUL: The VNFM will stop down the VNF or the affected VNFCs immediately after accepting the request.
        type: string
        enum:
          - FORCEFUL
      additionalParams:
        description: >
          Additional parameters passed by the NFVO as input to the process,
          specific to the VNF of which the operation status is changed, as
          declared in the VNFD as part of "OperateVnfOpConfig".
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"

  ChangeExtVnfConnectivityRequest:
    description: >
      This type represents request parameters for the
      "Change external VNF connectivity" operation to modify the external
      connectivity of a VNF instance.
          Information about external VLs to change (e.g. connect the VNF to).
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/ExtVirtualLinkData"
      additionalParams:
        description: >
          Additional input parameters for the instantiation process, specific
          to the VNF being instantiated, as declared in the VNFD as part of
          "ChangeExtVnfConnectivityOpConfig".".
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"

  VnfInfoModificationRequest:
    description: >
      This type represents attribute modifications for an "Individual VNF instance" resource,
      i.e. modifications to a resource representation based on the "VnfInstance" data type.
      The attributes of "VnfInstance" that can be modified according to the provisions in clause 5.5.2.2
      are included in the "VnfInfoModificationRequest" data type.
      The "VnfInfoModificationRequest" data type shall comply with the provisions defined in table 5.5.2.12-1.
    type: object
    properties:
      vnfInstanceName:
        description: >
          New value of the "vnfInstanceName" attribute in "VnfInstance", or "null" to remove the attribute.
        type: string
      vnfInstanceDescription:
        description: >
          New value of the "vnfInstanceDescription" attribute in "VnfInstance", or "null" to remove the attribute.
        type: string
      vnfdId:
        description: >
          New value of the "vnfdId" attribute in "VnfInstance". The value "null" is not permitted.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Identifier"
      vnfConfigurableProperties:
        description: >
          Modifications of the "vnfConfigurableProperties" attribute in "VnfInstance".
          If present, these modifications shall be applied according to the rules of
          JSON Merge PATCH (see IETF RFC 7396 [15]).
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"
      metadata:
        description: >
          Modifications of the "metadattametadata" attribute in "VnfInstance".
          If present, these modifications shall be applied according to the rules of
          JSON Merge PATCH (see IETF  RFC  7396  [15]).
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"
      extensions:
        description: >
          Modifications of the "extensions" attribute in "VnfInstance".
          If present, these modifications shall be applied according to the rules of
          JSON Merge PATCH (see IETF  RFC  7396  [15]).
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"
      vnfcInfoModifications:
        description: >
          Modifications of certain entries in the "vnfcInfo" attribute array in the
          "instantiatedVnfInfo" attribute of "VnfInstance"." to be used as "newList" as defined below this table.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/VnfcInfoModifications"
      vnfcInfoModificationsDeleteIds:
        description: >
          List of identifiers entries to be deleted from the 'vnfcInfoModifications" attribute array
          to be used as "deleteIdList" as defined below this table.
        type: array
        items:
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          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Identifier"


  VnfcResourceInfo:
    description: >
      This type represents the information on virtualised compute and storage
      resources used by a VNFC in a VNF instance.
    type: object
    required:
      - id
      - vduId
      - computeResource
    properties:
      id:
        description: >
          Identifier of this VnfcResourceInfo instance.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnf"
      vduId:
        description: >
          Reference to the applicable VDU in the VNFD.
          ETSI GS NFV-SOL 001 specifies the structure and format of the VNFD based on TOSCA specifications.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnfd"
      computeResource:
        description: >
          Reference to the VirtualCompute resource.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/ResourceHandle"
      storageResourceIds:
        description: >
          References to the VirtualStorage resources. The value refers to a
          VirtualStorageResourceInfo item in the VnfInstance.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnf"
      reservationId:
        description: >
          The reservation identifier applicable to the resource. It shall be
          present when an applicable reservation exists.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Identifier"
      vnfcCpInfo:
        description: >
          All CPs of the VNFC instance.
        type: array
        items:
          type: object
          required:
            - id
            - cpdId
          properties:
            id:
              description: >
                Identifier of this VNFC CP instance and the associated array
                entry.
              $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnf"
            cpdId:
              description: >
                Identifier of the VDU CPD, cpdId, in the VNFD.
                ETSI GS NFV-SOL 001 specifies the structure and format of the VNFD based on TOSCA specifications.
              $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnfd"
            vnfExtCpId:
              description: >
                Identifier of the related external CP. Shall be present when the VNFC CP is exposed
                as an external CP of the VNF instance or connected to an external CP of the VNF instance
                (see note 2) and shall be absent otherwise.

                NOTE 2:	A VNFC CP is "connected to" an external CP if the VNFC CP is connected to an internal
                VL that exposes an external CP. A VNFC CP is "exposed as" an external CP if it is connected
                directly to an external VL.
              $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnf"
            cpProtocolInfo:
              description: >
                Network protocol information for this CP.
                May be omitted if the VNFC CP is exposed as an external CP. See note 3.

                NOTE 3:	The information can be omitted because it is already available as part of the external
                CP information.
              type: array
              items:
                $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/CpProtocolInfo"
            vnfLinkPortId:
              description: >
                Identifier of the "VnfLinkPorts" structure in the
                "VnfVirtualLinkResourceInfo" structure. Shall be present if the CP is associated to a link port
                on an internal VL of the VNF instance and shall be absent otherwise.
              $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnf"
            metadata:
              description: >
                Metadata about this CP.
              $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"
      metadata:
        description: >
          Metadata about this resource.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"